425894959 has 8 divisors (see below), whose sum is σ = 488758688. Its totient is φ = 363536640.

The previous prime is 425894939. The next prime is 425894969. The reversal of 425894959 is 959498524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425894959 - 2⁷ = 425894831 is a prime.

It is a super-2 number, since 2×425894959² = 362773032203223362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425894929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124542 + ... + 127915.

It is an arithmetic number, because the mean of its divisors is an integer number (61094836).

Almost surely, 2^425894959 is an apocalyptic number.

425894959 is a deficient number, since it is larger than the sum of its proper divisors (62863729).

425894959 is a wasteful number, since it uses less digits than its factorization.

425894959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252705.

The product of its digits is 4665600, while the sum is 55.

The square root of 425894959 is about 20637.2226571310. Note that the first 3 decimals coincide. The cubic root of 425894959 is about 752.3746712392.

The spelling of 425894959 in words is "four hundred twenty-five million, eight hundred ninety-four thousand, nine hundred fifty-nine".